The output signals of the stellar meridian observation using a photon counter are obtained by means of combining the computed signals wiry recording noises.
考虑到输出信号噪声成分的统计特性，得到恒星光子计数观测的计算机模拟方法。
In the paper, the mathematical equations for the output signals of the stellar meridian observation are presented via analysing the processes of the observation.
本文通过恒星子午观测过程的分析，给出了输出信号所应满足的数学关系式。
The earliest methods for determining the seasons recorded in ancient Chinese classics are the observation of the sun's shadow at noon and the meridian stars at dusk.
中国古文献记载的最早的定季节的方法是观测正午日影和黄昏中星。
In this paper, the main sources of the errors in a meridian catalog, the characteristics of the equal altitude observation and the shortages of an equal altitude catalog are described.
本文叙述了子午星表系统误差的主要来源，等高观测的特点及等高星表的不足之处。
In this paper, the main sources of the errors in a meridian catalog, the characteristics of the equal altitude observation and the shortages of an equal altitude catalog are described.
本文叙述了子午星表系统误差的主要来源，等高观测的特点及等高星表的不足之处。
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